Improvement in pumps for oil-wells



UNITED STATES' VlPnfrENT (.)Iuuclt JOHN n. ROOT, or New YORK, N. Y.

IMPROVEMENT IN PUMPS FR `CIL-WELLS.

Specification forming part of Letters Patent'No. '4 7,224 dated April 11, 1865.`

T o all whom it may concern for which this kind of tubing is more particu- Be it known that I, JOHN B. Roo'i, ofthe larly intended, the oil and water are met with cit-y, countyaud State of New York, have inat nearly the same levefls. The water is g not vented a new and useful Improvement in,A commonly stopped oft' by a seed-bag,`,but the Tubing and Pumps for Oil-Wells; and I do pump is ma'de'to pump up both water and 4hereby declarethat the following is a full, oil. rEhe tubing is or maybe, thereforc,made

clear, and exact description of the same, ref- =large enough to t snugly into the bore,l as

f' erence being had to the accompanying draw- :represented, so that as large a pump as pracing, which represents a vertical section 'of a ticable may be used. The mctalband may be well tubed and having the pump applied acsunk in a groove formed in the exterior of the eording to my invention. 'stavesu4 In those regions Where petroleum vis found B is the pump-cylinder, having its exterior` at a moderate depth the wells are commonly rather smaller than the interior of the tubing, ,e made of much larger bore than where it is and having provided -around and secured to found at' greater depth, and theV tubing of it two or more rings or bands, d d, of leather such wells with iron is very expensive. One or other suitable material, to form a waterobject ot' this invention is to reduce the eX- tight packing between it and the lowest length pense of tubing, and to this end a part of the of tubing. l

said invention consists in the employment in In order that the pump may be raised and au oil-well ot' tubing composed of wooden lowered easily for necessary repairs without L staves 'bound together with 'metal bands. disturbing the tubing', the interior ofthe This tubing would be dificult 'to withdraw lower length of tubing is madealittle smallei" from the well, and therefore, with a view to than that of all the other lengths, so that the enable the pump to be drawn up for repairs pump, fitting it'snugly,maybecapableofpasswithout drawing up the tubing, another part ing freely up and Vdown to and from it. 'lhc of my invention consists in. so fitting the bottom of the puinp-cylinderB isintendedto pump-cylinder into the said tubing and so stand at about the. same level with the bottom combining the pump rod and plunger with of the tubing, which should not reach to the the cylinder as to provide for the drawing up bottom of the bore, but leave the latter inof the pump. clined for some distance for the free issue of To enable others skilled in the art to make the oil. The cylinder has trlnly attached to and use my invention, I willproceed to deits bottom the suctionlpipe C, the bottom ot' scribe it with reference to the drawings. which is intended to rest upon the bottom of A is the bore of the well. a ware the woodthe bore and support the pump at the proper en staves and b b the metal bands of which height. the tubing is composed. The tubing is made In order to provide for the drawing up of in short lengths or sections by placing the the pump from the tubing by means of'its staves together' and puttingla band or bands pistou or plunger rod '.l) there is' secured of hoop iron aroundthem. The bands might firmly to the top ot' the cylinder'a yoke,`e, be in the form of hoops, but I prefer to make through which the `said rod passes. When it .f i them of as great length as convenient, wind is desired to draw up the pump, the rod is them spirally around the staves as represented drawn up, and, after the piston or plunger E 1 in the drawing, and nail them at the ends as has been brought into con tact withthe yoki, shown at c c. The `several lengths are made it brings up the pump cylinder with it.- j so thaty in connecting with each other they What I claim as -myinvcntiom and desire will break joint, as shown at e z, and they ar' to secure -by Letters Patent, is-

secured together by winding the bands around 1V. The employment in an oil-well of tubing the joints and nailing one end of a band to composed ot' wooden stayes and surrounding one length, and the other end to the other bands of metal, substantially as herein specilength. In the shallow wells of large bore, lied.

fr /j V2. The -amrangemellt'of the pnmp-cgvliilder may bel withdrawn together from the said :i -in combi rial 1 ;ip11vf v'vimtah the ltubing" ofwood, subtubingby means 0f the piston rod, subgtan- Y i sbantiafily as herein specified, whereby. the tizlliy as herein described. ,said eyliudr can be drawn up throughy the i' ,v tubing without disnurbingi.- JOHN B' ROOT' 43. The-arrangementof the pump'cyliuder Witnesses: 1" Q il; the interior of the tubing of Wood in an oil- J. W, OOOMBS, Y i

weil; `whereby the said cylinder and its piston HENRY T. BROWN. E 

